<div id="layout-sidebar">
  <ul class="left-menu">
    <li>
      <a routerLink="/routers/test" routerLinkActive="active" pathMatch="full">
        test
      </a>
    </li>
    <li>
      <a routerLink="/routers/dev" routerLinkActive="active" pathMatch="full">
        dev
      </a>
    </li>
  </ul>
</div>
<div id="layout-content" class="clearfix">
  <router-outlet></router-outlet>
</div>
